Test Description

2004 Oldsmobile Bravada AWDSECTION Test Description
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

  1. 3:  Tests for an internal fault in the windshield wiper/washer switch.
Wipers Always On

Step Action Yes No
Schematic Reference:  Wiper/Washer System Schematics  
Connector End View Reference:  Wiper/Washer System Connector End Views  
1 Did you review the Wiper/Washer System Description and Operation and perform the necessary inspections? Go to Step 2  Go to Symptoms - Wiper/Washer Systems 
2
  1. Turn the ignition ON.
  2. Operate the windshield wiper/washer switch in all of the switch positions.
  3. Turn the windshield wiper/washer switch OFF.
Are the windshield wipers always on?
Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Disconnect the windshield wiper/washer switch connector at the multifunction switch assembly.
Are the windshield wipers always on?
Go to Step 4  Go to Step 7 
4
  1. Disconnect the windshield wiper motor connector.
  2. Test the windshield wiper switch signal 1 circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11  Go to Step 5 
5 Test the windshield wiper switch signal 2 circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11  Go to Step 6 
6 Test the windshield wiper motor high speed circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11  Go to Step 9 
7 Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11  Go to Step 8 
8 Replace the windshield wiper/washer switch. Refer to Multifunction, Turn Signal Switch Replacement in Steering Wheel and Column.
Is the repair complete?
Go to Step 11  -
9 Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11  Go to Step 10 
10 Replace the windshield wiper motor cover. Refer to Wiper Motor Cover Replacement .
Is the repair complete?
Go to Step 11  -
11 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3 
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.